an instrument used for radio sounding, such as a radiosonde or ionosonde.
| 单词 | θ197846 |
| 释义 | society > communication > telecommunication > radio communications > radio equipment > [noun] > radar apparatus > types of (3) radio sounder1931 an instrument used for radio sounding, such as a radiosonde or ionosonde. sonde1940 An instrument that obtains and transmits information about its surroundings from an inaccessible location, such as underground or underwater. scatterometer1966 A radar designed to provide information about the roughness or the profile of a surface from the way it scatters the incident microwaves. |
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